28230771726 has 20 divisors (see below), whose sum is σ = 63257840712. Its totient is φ = 9410257188.

The previous prime is 28230771719. The next prime is 28230771733. The reversal of 28230771726 is 62717703282.

It is an interprime number because it is at equal distance from previous prime (28230771719) and next prime (28230771733).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 87131850 + ... + 87132173.

Almost surely, 2^28230771726 is an apocalyptic number.

28230771726 is an abundant number, since it is smaller than the sum of its proper divisors (35027068986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28230771726 is a wasteful number, since it uses less digits than its factorization.

28230771726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174264037 (or 174264028 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 28230771726 in words is "twenty-eight billion, two hundred thirty million, seven hundred seventy-one thousand, seven hundred twenty-six".